*{
	margin: 0 ;
	padding: 0;
	list-style: none;
	box-sizing: border-box;
}
html,body{
	width: 100%;
	height: 100%;
	/*overflow: hidden;*/
}
.box{
	width:80%;
	height:200px;
	border: 1px solid #000;
	margin:80px auto;
}
h2{
	font-size: 20px;
	color:#000;
	font-weight:bold;
	text-align: center;
	margin-top: 30px;
}
.riqi{
	width: 500px;
	height:50px;
	margin: 20px auto;
}
#rq1{
	font-size:13px;
	color: #000;
	line-height: 50px;
	float: left;
}
#rq2{
	font-size: 16px;
	color:#000;
	font-weight:bold;
	line-height: 50px;
}
#cs1{
	font-size: 13px;
	color:#000;
	line-height: 50px;
	float: right;
	margin-right: 20px;}
#cs2{
	 font-size: 16px;
	 color:#000;
	 font-weight:bold;
	 line-height: 50px;
}